java - Spring operation database displays garbled Chinese characters?

Operating system: ubuntuIDE:idea Database:Mysql When I use php to operate the database, there is no problem with Chinese display, and Chinese can be displayed normally: But when I am learning spring, when I operate the database, question marks will appear in Chinese, and it cannot be displayed norma...

我想大声告诉你 2017-05-16 13:29:37 0  1  507

The Linux system does not support PHP operations to access the database. Can you please advise on other solutions?

The database of Windows computer software is accessible. If you want to share data, upload the database mdb file to the web server through php, and then php reads the mdb database into html. When the web server is windows, the test is normal. The Linux system does not support PHP operations to acces...

forever 2017-10-31 14:35:35 0  1  1029

phpspreadsheet works on local XAMPP server but not on IIS (Windows Server 2012 R2)

I have developed a website using php and mysql where users have to upload excel files. In local server (XAMPP) I downloaded phpspreadsheet and was able to upload excel file to mysql database. But when I am dealing with the same thing on IIS (Windowsserver2012r2), the excel file cannot be uploaded to...

P粉136356287 2024-02-21 13:58:55 0  1  467

I have the front-end source code, but I don't know how to connect it to the back-end.

I want to develop a backend management system, similar to cms. There are more than 1000 html files. I want to convert them into php or stored databases, but I don’t know how to operate them. I tried to transfer these files to the WordPress theme yesterday and failed many times. I want to Please tell...

P粉932382659 2022-05-24 16:47:40 0  0  1000

Teacher Ouyang Ke in PhpSpreadsheet Practice 1 for quickly controlling Excel with PHP

Where can I download Mr. Ouyang Ke’s PHP public method library function.php in PhpSpreadsheet Practice 1 of PHP Quick Control of Excel? My mobile phone 13149623967

云山 2020-02-17 14:43:36 0  0  1077

How to import Excel files into the database through code? Below is an example I found online, but I can't import it?

The example of this article describes the method of uploading files and storing them into the database in PHP. Share it with everyone for your reference. The details are as follows: The show_add.php file is as follows: <?php if(!isset($_REQUEST['id']) or $_REQUEST['id']=="")&nbsp

琅 2017-12-09 10:49:38 0  1  950

php - How to store background logs

Are the operation logs and error logs generated in the background stored in files or databases?

阿神 2017-05-16 13:04:29 0  1  918

MongoDb怎么制作报表

目前的数据库中存储了一组登录时间戳，想制作一份excel柱状图，明确显示每天的登录次数，请问该怎么操作。

phpcn_u1582 2017-05-02 09:18:12 0  1  672

The hosts file is empty. How to configure the local domain name?

The hosts file is empty. How to configure the local domain name? Please enlighten me. After following the tutorial of the PHP tool, nothing happens. Do you need to operate the empty hosts file according to the guidance of the PHP tool? The hosts file is empty. How to configure the local domain name?...

A李玉龙 2019-01-08 12:49:50 0  2  1199

How to use git for version control of word documents?

Version control in word, such as revision functions, can only operate within one file. . Can't be in two files. By default, git cannot operate on binary files. Is there any way to use git for version control of word documents?

PHPz 2017-05-02 09:36:20 0  2  1399

objective-c - 使用camera360 SDK 一直报错 求助

想尝试使用camera360的sdk 但是一直报错 不知道该如何解决 请大神帮助错误详情：但是它提示的静态库存在我是按照官方文档一步步进行操作的 无奈卡住 求支援。

天蓬老师 2017-05-02 09:21:50 0  1  478

mongodb - How does mongoose query data based on the id of a subdocument?

{Code...} Like this example, if I want to find a subdocument based on its id: "_id": "590ad2d78eb79d16bde4a15e", what should I do? To explain, I know how to query directly by id. What I don’t understand is how to query subdocuments using the id of the subdocument.

为情所困 2017-05-17 10:03:14 0  2  706

Preview of teaching courses on September 14, 2018: Common DOM operations and practical cases

1. Teaching topic: Common DOM operations: Document Object Model (DOM, Document Object Model) is mainly used to operate the content of HTML and XML documents. DOM depicts a hierarchical node tree. By operating on nodes, functions such as adding, deleting, modifying, and searching document content can...

藏色散人 2018-09-14 10:52:17 0  0  1250

How to modify the modification date of a file in python without changing the file

There is a requirement that I need to unify the modification time of all excels in the directory. I want to write a python script. At first I naively thought that renaming would be enough, but in fact it is not possible. Then I found several libraries for operating excel (openpyxl, xlutils), and wan...

滿天的星座 2017-06-22 11:51:55 0  4  1018

How to rollback in git

Scenario: 1. Modify file A, commit and push to the remote warehouse 2. Modify file B, commit and push to the remote warehouse 3. Now the modification of file A is wrong and needs to be rolled back to the previous version, but the modification of file B needs Save it, what should I do now? If you use...

过去多啦不再A梦 2017-05-02 09:37:50 0  10  729

macvim - How to create and delete files in Vim

vim is a very powerful editor, and when used with NERDTree, you can easily open files, search for files, etc. However, files cannot be created or deleted, which is somewhat inconvenient. vim has a simple command line function and can perform touch/rm operations. Is there any way to do this in NER...

PHP中文网 2017-05-16 16:40:48 0  9  1241

How to display continuous values ​​in groups? Please give me guidance and help from teachers.

It's not a database operation, it's a php operation. For example: $a="1,2,3,4,5,6,7,8,9,10,11"$b="8,9,10,11,12,13,17,18,19, 20"$c="10,11,12,13,14,15,16,18,20,21,22,23,24"Required results$a="1-11"$b="8-13 ,17-20"$

JD26 2020-04-22 08:53:13 0  1  719

The file path has been saved in the database table. How can I output the file name from the database on the page and click on the file name to view the file content?

I am doing a file upload and output. Now I have implemented the file upload, but I don’t know how to output it. The path of the file has been reserved in the database. I want to output the file name on the page, and then click on the file name to view the entire content of the file. How to achieve t...

生如夏花 2019-04-24 11:15:13 0  3  1264

After git pull, the newly updated local files are deleted

There are 4 files in the remote warehouse and 5 files in the local one, which is equivalent to adding one new file. After git pulling it from the remote warehouse, the new local files will be deleted. If you directly git push, it will prompt that the version is behind and cannot be pushed to How to ...

淡淡烟草味 2017-05-02 09:39:13 0  2  810